<!DOCTYPE HTML>
<html>
<head>
<title>Test bug 529119</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>        
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("untriaged");

var workingURL = "http://mochi.test:8888/tests/docshell/test/bug529119-window.html";
var faultyURL = "http://some-nonexistent-domain-27489274c892748217cn2384.com/";

var w = null;
var phase = 0;
var isWindowLoaded = false;

function pollForPage(expectErrorPage, f, w)
{
  // Start with polling after a delay, we might mistakenly take the current page
  // as an expected one.
  window.setTimeout(function() {
    var iterationsLeft = 200;
    var int = window.setInterval(function() {
      iterationsLeft--;
      
      var haveErrorPage = false;
      try {
        var title = w.document.title;
      }
      catch (ex) {
        haveErrorPage = true;
      }
  
      if (iterationsLeft == 0 || expectErrorPage == haveErrorPage) {
        window.clearInterval(int);
        f(iterationsLeft > 0);
      }
    }, 100);
  }, 1000);
}

function windowLoaded()
{
  // The code under here should only be run once
  // The test popup window workingURL was already opened
  if (isWindowLoaded)
    return;
  isWindowLoaded = true;

  /* 2. We have successfully loaded a page, now go to a faulty URL */
  // XXX The test fails when we change the location synchronously 
  window.setTimeout(function() {
    w.location.href = faultyURL;
  }, 0);

  pollForPage(true, function(succeeded) {
    ok(succeeded, "Waiting for error page succeeded");
    /* 3. now, while we are on the error page, navigate back */
    try {
      SpecialPowers.wrap(w).back();
    }
    catch(ex) {
      ok(false, "w.back() threw " + ex);
    }

    pollForPage(false, function(succeeded) {
      ok(succeeded, "Waiting for original page succeeded");
      /* 4-finish, check we are back at the original page */
      isnot(SpecialPowers.wrap(w).location.href, faultyURL, "Is on an error page");
      is(SpecialPowers.wrap(w).location.href, workingURL, "Is not on the previous page");
      w.close();
      SimpleTest.finish();
    }, w);
  }, w);
}

function startTest()
{
  /* 1. load a URL that leads to an error page */
  w = window.open(workingURL);
}

</script>
</head>
<body onload="startTest();">
</body>
</html>
